This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
Atrial fibrillation is the most prevalent arrhythmia with a lifetime risk of nearly 30%. Pulmonary vein isolation (PVI) is the most effective treatment for rhythm control. It can be associated with reduced quality of life and complications such as heart failure and stroke.
At present we do not have any reliable intra-procedural electrophysiologic predictors of long-term success of AF ablation other than pulmonary vein isolation. We evaluated selected intraprocedural pulmonary vein characteristics that may be helpful in future guidance of persistent AF ablation.
i The TAILORED-AF clinical trialis the first large-scale transatlantic randomized controlled trial (RCT) of ablation in a persistent atrial fibrillation (AF) population to show the benefit of going beyond conventional pulmonary vein isolation (PVI)-only extra-pulmonary vein procedure. tim.hodson Fri, 02/14/2025 - 09:57 Feb.
Methods and Results A total of 323 consecutive FAT patients who underwent electrophysiological study and radiofrequency catheter ablation between January 2011 and March 2023 were selected for this study. Young adults had a higher proportion of FAT originating from the superior vena cava and pulmonary veins.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:High-power short-duration ablation has shown impressive efficacy and safety for pulmonary vein isolation (PVI); however, initial efficacy results with very high power short-duration ablation were discouraging. or acute reconnection (4% versus 14%;P=0.3)
Atrial fibrillation is the most common type of arrhythmia, and by 2050, up to 16 million Americans are projected to have AF 1. Pulmonary vein isolation (PVI) procedure, left atrial dwell, and fluoroscopy times were 51, 32, and 12 minutes, respectively. director of electrophysiology, Mount Sinai Fuster Heart Hospital , New York.
1 PFA is conventionally used for pulmonary vein isolation (PVI), but interest has arisen in delivering linear lesions to the posterior wall2 and mitral isthmus.3 Pulsed field ablation (PFA) is a novel modality shown to be safe and efficient.1 3 The durability of these lesion sets has not been well evaluated.
Two articles and an accompanying editorial in Heart Rhythm , the official journal of the Heart Rhythm Society, the Cardiac Electrophysiology Society , and the Pediatric & Congenital Electrophysiology Society , published by Elsevier , address the controversy and recommend shortening the blanking period.
Volta Medical has announced it has entered into a Joint Development Agreement with GE Healthcare to enhance arrhythmia procedures with artificial intelligence (AI)-driven electrophysiology technologies. Our mission to combat complex heart rhythm diseases relies on optimizing interoperability.
“The entire digital electrocardiogram signal performed significantly better than a few of its components,” said Chugh, who is also the Pauline and Harold Price Chair in Cardiac Electrophysiology Research and associate director in the Smidt Heart Institute. “We
Unlike paroxysmal AF, which describes symptoms that last for seven days or fewer, persistent AF is a sustained arrhythmia that lasts for more than a week 1. Early treatment of persistent AF can reduce the risk of blood clots, stroke, and heart failure, and may prevent the disease from becoming permanent.
Objective We report the feasibility, safety, and clinical efficacy of focal monopolar PFA in patients with the origin of their atrial arrhythmia in the SVC. Conclusions In this patient cohort with SVC-triggered atrial arrhythmia, isolation using focal monopolar PFA was feasible, effective, and safe.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. The primary end point was any documented atrial arrhythmia lasting 30 seconds after a 3-month blanking period after ablation. to 3.4%]; hazard ratio, 0.66 [95% CI, 0.460.94]).
Although the QDOT MICRO™ Catheter was mainly designed for pulmonary vein isolation (PVI) its versatility to treat atrial fibrillation (AF) and other types of arrhythmias was recently evaluated by the FAST and FURIOUS study series and other studies and will be presented in this article.
Backgroundwide antral pulmonary vein isolation (PVI) is effective for treating paroxysmal atrial fibrillation (PAF), although time-demanding. Procedural data and electrophysiology (EP) laboratory times were systematically collected and analyzed.
A 37-year-old woman with biventricular repair for pulmonary atresia and an intact ventricular septum was referred for an electrophysiological study in the context of recurrent atrial arrhythmias with multiple electrical cardioversions. Her clinical tachycardia was easily inducible and had a cycle length (TCL) of 340 ms.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. Patients with paroxysmal or persistent atrial fibrillation underwent pulmonary vein (PV) isolation under deep sedation or general anesthesia and returned for remapping at 90 days to evaluate chronic durability. paroxysmal, and 58.5% deep sedation) were treated.
Abstract Background The newly introduced nonthermal pulsed field ablation (PFA) is a promising technology to achieve fast pulmonary vein isolation (PVI) with high acute success rates and good safety features. Two tamponades occurred in the PFA while in VHPSD two pts suffered groin bleedings.
The cyanosis in Ebstein’s anomaly, is usually not due to pulmonary hypertension, but because tricuspid regurgitation jet is directed across the atrial septal defect. This can be a source of cardiac arrhythmia as well. Electrophysiological study will show that, and this pathway can be ablated.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. A contact force–sensing catheter was used to focally deliver PFA/radiofrequency at the pulmonary veins and other predefined sites in the atria. Transmurality was achieved in 95% of targeted sites and 100% at pulmonary veins.
This novel cryoballoon with adjustable size and low compliance successfully achieves pulmonary vein isolation to treat paroxysmal atrial fibrillation (PAF), providing more options for patients with PAF. This cryoballoon system was proven to be safe and effective for treatment of patients with drug refractory or drug intolerant PAF.
We present the long-term outcome of catheter ablation (CA) and electrophysiological characteristics in HIV+ AF patients. During first procedure, all received isolation of pulmonary vein (PV) + posterior wall and superior vena cava. After focal ablation of non-PV trigger, no difference in arrhythmia recurrence between two groups [80.6%
Prior studies have demonstrated low rates of arrhythmia recurrence, but little is known about ablation lesion durability. During repeat ablation, ULTC ablation lesions were assessed for electrical block, including segment-based assessment of pulmonary vein (PV) ablation lesions. Arrhythmia outcomes after repeat ablation were evaluated.
Abstract Introduction Pulmonary vein isolations (PVI) are being performed using a high-power, short-duration (HPSD) strategy. The primary endpoint was the 1-year recurrence of any atrial arrhythmia lasting ≥30 s, detected using three 14-day ambulatory continuous ECG monitoring. Procedural and safety endpoints were also evaluated.
a global leader in cardiac arrhythmia treatment and part of Johnson & Johnson MedTech , today announced European CE mark approval of the VARIPULSE Platform for the treatment of symptomatic drug refractory recurrent paroxysmal atrial fibrillation ( AF ) using pulsed field ablation (PFA). [ii] Catheter Ablation. Available at: [link].
Abstract Introduction During atrial fibrillation ablation (AFA), achievement of first pass isolation (FPI) reflects effective lesion formation and predicts long-term freedom from arrhythmia recurrence. We aim to determine the clinical and procedural predictors of pulmonary vein FPI.
This is the proposed mechanism of precipitation of arrhythmias in Brugada syndrome during febrile episodes. There is a potential risk for drug challenge in that life threatening ventricular arrhythmias could be precipitated. Opinion is divided on the need for electrophysiology study. With proper precautions, risk can be reduced.
ABSTRACT Introduction Pulmonary vein isolation (PVI) using a cryoballoon is well-established for the treatment of paroxysmal atrial fibrillation (PAF). and freedom from any arrhythmia in 83.5%. However, 1-year efficacy and safety still needs to be proven. Results This study treated 391 patients with the novel cryoballoon.
Importantly, the speed and ease with which we were able to isolate the pulmonary veins with the nsPFA 360 catheter was impressive and all patients tolerated the procedure well. Patients will continue to be monitored and evaluated over the coming months to assess safety and effectiveness with the primary safety endpoint at 30 days.
The Kaplan-Meier curve of all-atrial arrhythmia-free survival for (A) all persistent patients and (B) patients who underwent PSM conducted to the higher recurrence rate in PVI + group. A total of 457 persistent AF patients from EU-PORIA were included in this trial and Propensity score matched (PSM) analysis was conducted.
Abstract Introduction Cryoballoon ablation (CBA) of the left atrial (LA) roof in addition to a pulmonary vein isolation has been expected to improve the clinical outcomes post-atrial fibrillation (AF) ablation. The 1-year Kaplan–Meier atrial arrhythmia free rate estimates were 80.6% 40.5 ± 7.5°C C for Group B, p < .01)
By 1909 ECGs were being used to diagnose cases of arrhythmia; by 1910 to diagnose indicators of a heart attack. The pipeline of algorithms likely to clear regulatory hurdles and enter the cardiac market over the next 12-18 months include those for Pulmonary Hypertension, Cardiac Amyloidosis, Diastolic dysfunction, and Hyperkalaemia.
First-pass isolation, acute pulmonary vein (PV) reconnections, 1-year arrhythmia recurrence, and major complications were assessed. in lower AI group were free from atrial arrhythmia (log rank p = .334). Of the 270 enrolled patients, 238 completed 1-year follow-up (118 in CLOSE group and 120 in lower AI group).
In addition to pulmonary vein isolation (PVI), ablation of DISPERS was performed aiming at homogenizing, dissecting, isolating, or connecting DISPERS areas to nonconducting anatomical structures. After a blanking period of 6 weeks, recurrence of any atrial arrhythmia was documented in 26 patients (52%). After a total of 1.46 ± 0.68
Procedures involved pre-ablation imaging, 3D electroanatomical mapping, pulmonary vein isolation, and targeted ablation strategies focusing on the PLSVC-related ablation. The recurrence rate of arrhythmia postablation was 46.7% The primary endpoints were procedural safety and AF recurrence postablation. years, 31.2%
Crochetage sign on ECG in ASD ECG in ASD with severe pulmonary hypertension: Tall R’ in V1, ST depression in inferior leads and V2-V5, and T inversion in inferior leads and V1-V6 are seen. Fragmented QRS is a marker of myocardial scar and consequent arrhythmias in ischemic and nonischemic cardiomyopathy.
Bedside ultrasound showed no effusion and moderately decreased LV function, with B-lines of pulmonary edema. IV administration of potassium is indicated when arrhythmias are present or hypokalemia is severe (potassium level of less than 2.5 malignant ventricular arrhythmias are present), rapid replacement of potassium is required.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Patients undergoing first-time atrial fibrillation (AF) ablation can benefit from targeting non-pulmonary vein (PV) triggers. Preprocedural identification of high-risk individuals can guide planning of ablation strategy.
Finally, much of this correlates well with The new Canadian Syncope Arrhythmia Risk Score , just published in 2016, results of which are given below in the Annotated Bibliography. The most recent and probably best study is this: Canadian Syncope Arrhythmia Risk Score. Aortic Dissection, Valvular (especially Aortic Stenosis), Tamponade.
Methods Octogenarians with AF or consecutive atrial tachycardia undergoing index or re-ablation (pulmonary vein isolation [PVI] and ablation beyond PVI with different energy sources) in a single center, were analyzed. Arrhythmia-free survival at 1 year was 72.6%. Outcome data regarding CA in these patients are scarce.
We organize all of the trending information in your field so you don't have to. Join thousands of users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content